Jeep Yj Alternator Wiring

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Jeep yj alternator wiring. The alternator is not charging battery. Possible a wench. I m not sure if it has an internal or external regulator. Jeep wrangler yj showcase.

Jeep wrangler jl showcase. This complete yj wiring system has been designed with four major sections incorporated into it. Early jeep yjs have a wire that goes from battery to a starter relay under the battery tray with a straight lug. If your yj is not starting will not charge up or has both issues then these wrangler yj alternator and starters are for you.

I ve taken it to two parts stores and both said it is fine. 6 cylinder engine with v belt 399 99 quadratec oem style 94 amp alternator for 83 89 jeep cj 7 cj 8 wrangler yj cherokee xj comanche mj j series pickup grand wagoneer wagoneer 2 5 4 2l. Replacing your alternator is essential. Air conditioning units typical jeep charging unit wiring diagrams typical emission maintenance reminder wiring diagrams front end lighting wiring diagrams and switches.

Mean green alternator for 87 90 jeep wrangler yj 4 2l 258c i. Well here are a few more wiring diagrams for jeep wrangler this time for the jeep yj series years 1987 to 1994. Jeep wrangler yj 135 amp alternator upgrade. The other two wires feed power to the field coil.

One is a big fat wire that goes to the battery this is the alternator output. This painless wire harness is designed to be used in the 1987 1991 jeep yj. With the jeep off the voltage on the battery is 12v. You can check if the field coil is powered by connecting a multimeter to the terminals of the field coil and starting the engine.

See picture at left. Jeep wrangler tj showcase. Standard automotive wire is gpt 300 volt 176 f with pvc insulation. 1989 yj is shown.

The alternator wire goes from the battery side of the start relay to the alternator. After starting the voltage drops below 12v. There are 3 wires attached to the alternator. The pdf includes body electrical diagrams and jeep yj electrical diagrams for specific areas like.

I ve tried to find the regulator but haven t been able to. Using an alternator from a 1998 dodge durango i up the amps in my wrangler to prepare for future light and sound upgrades. If your alternator s shot your electronics will fail and leave you in the dark.